Florida sinkhole causes huge waste water leak into aquifer

Aerial view of the sinkhole which opened up under a phosphate fertiliser firm. About 980 million litres of contaminated water have leaked into Florida's main underground source of drinking water, state officials say. The leak occurred after a huge sinkhole opened up under a phosphate fertiliser plant near Tampa, damaging the stack where waste water was stored. The water contained phosphogypsum, a